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trucker40
04-20-2008 22:37:30
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Re: making a wd series allis chalmers run??????? in reply to Adam1980, 04-20-2008 07:02:22
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Gas and Spark,good compression.Ought to run.Spark may not be as good as you think.Might try new plugs.To check the timing do this,find the TDC mark and take out number one plug,put a screwdriver in the spark plug hole and turn the motor with a wrench until the piston is all the way up,the TDC mark on the crank pulley should be close to the pointer,if it has one.Keep in mind that its a 4 stroke motor,then if you are on the compression stroke,both valves will be closed.Is that what you meant when you said valves are loose?Anyway you can crank it over with your thumb over number one spark plug hole,when compression blows your thumb off the hole it should be compression stroke,take distributer cap off,and the rotor should be pointing close to number one plug wire.Maybe just past number one wire.If this checks out you could need a new distributer cap,rotor,maybe a wire is shorted out,bad plugs,bad gas,bad switch maybe.Chances are its not out of time if the valves are working.Maybe you need to pull the valve cover and make sure the valves are working and that would make it easier to check and see if you are on the compression stroke or not.The first thing is to see if the valves are working,then check the timing,if thats good then its something easy most likely,cap,rotor points,plugs,condenser,wire.Ive seen motors spark,had gas,new everything,and not run.Lots of times it was points,and plugs too,rotors.I have had plugs be bad right out of the box,points and condenser too,even a new distributer cap one time,spent a whole day trying to get it running and finally changed cap and got it running.I guess it just breaks down in there or something,or in the case of that cap it just wouldnt pass fire through to the wires.It has to have real good fire.
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